84 results about "Arabinoxylan" patented technology

The invention relates to the technical field of plant extraction, in particular to a multi-product preparation method based on an arabinoxylan-lignin compound. The method comprises the following steps: treating a lignocellulose raw material by adopting a weak base extracting solution and a strong base extracting solution, and separating an obtained strong base extracting and dealkalizing suspension into an arabinoxylan-lignin compound dispersion liquid and arabinoxylan; performing enzymolysis on the dispersion liquid, and filtering enzymatic hydrolysate to obtain a precipitate which is lignin and a filtrate which is xylooligosaccharide liquid; and separating and purifying the xylooligosaccharide liquid to obtain xylooligosaccharide, xylose and arabinose. According to the method, on the basis of a weak base-strong base two-step extraction process, obtained arabinoxylan-lignin compound dispersion liquid is subjected to enzymolysis, so that lignin, xylooligosaccharide, xylose and arabinose can be continuously prepared, and the reutilization of the arabinoxylan-lignin compound is realized.

The invention discloses a preparation method of a stable Pickering emulsion based on enzymic method modified whey protein microgel particle-araboxylan covalent composite particle, which comprises the following steps: preparing whey protein microgel particles by cross-linking glutamine transaminase, mixing the whey protein microgel particles with an araboxylan solution, and adding an enzyme method modified whey protein microgel particle-araboxylan covalent composite particle to prepare the Pickering emulsion. Adding horse radish peroxidase and a hydrogen peroxide solution to carry out enzymatic modification to obtain a water phase, mixing the oil phase and the water phase according to a volume ratio, carrying out IKA homogenization, and then carrying out ultrasonic treatment to obtain a Pickering emulsion with stable covalent composite particles; the preparation method is simple, harmful substances cannot be generated in the preparation process, and meanwhile, the preparation method is low in production cost, short in production period, rich in nutrition, green, free of pollution and high in economic utilization value; the obtained Pickering emulsion has high viscosity and excellent storage stability and environmental stability, an effective delivery carrier construction strategy is provided for construction of a fat-soluble and heat-sensitive bioactive micromolecule delivery system, and the application range of protein microgel particles in the fields of food, medicine and the like is widened.

The invention discloses xylanase XynA00838, a truncated body of the xylanase XynA00838 for removing CBM1 and application of the xylanase XynA00838, and belongs to the technical field of microorganisms. The invention provides the XynA00838, the amino acid sequence of the truncation of the XynA00838 and the nucleotide sequence of the coding gene of the XynA00838, and provides characterization information, the XynA00838 and the truncation of the XynA00838 have obvious xylanase activity, and the specific enzyme activity of the truncation of the XynA00838 is obviously higher than that of wild type xylanase XynA00838 when six different plant polysaccharides are degraded, so that the XynA00838 and the truncation of the XynA00838 can be used for degrading various plant polysaccharides. When the truncated body degrades low-viscosity wheat arabinoxylan as a substrate, the specific enzyme activity reaches 4.46 + / -0.12 U / mg and is remarkably higher than that of wild type xylanase XynA00838. The CBM1 in the xylanase XynA00838 disclosed by the invention has a relatively good maintaining effect on the temperature stability of an enzyme catalysis module of the xylanase XynA00838. The truncated body XynA00838 delta CBM1 of the xylanase XynA00838 without the CBM1 has high enzyme activity and pH stability, so that the truncated body XynA00838 delta CBM1 has relatively great development and application potential, and a basic theoretical basis is provided for preparing a commercial feed enzyme preparation.

The present invention relates to a fibrous mixture comprising arabinoxylan, beta-glucan, pectin and resistant starch, a nutritional composition comprising the fibrous mixture and the use thereof. The contained fiber mixture is advantageously used to improve intestinal health and / or to prevent impairment of intestinal health.

The invention belongs to the technical field of biological medicine, and particularly relates to wheat bran araboxylan and application thereof. The invention provides wheat bran AX with specific molecular weight and monosaccharide composition. The wheat bran AX comprises the following monosaccharides: 0.20%-0.22% of glucuronic acid, 0.58%-0.62% of galacturonic acid, 0.21%-0.23% of rhamnose, 0.6%-0.7% of glucose, 1.4%-1.5% of galactose, 18%-19.2% of xylose and 21%-23% of arabinose. Compared with commercially available wheat bran AX, inulin, fructo-oligosaccharide and other common dietary fibers, the self-made wheat bran AX has higher diversity of microbial communities in the fermentation process, has a better intestinal flora regulating effect, further has a good relieving effect on the abnormal glucose and lipid metabolism of the body, and can be used for preventing and treating the abnormal glucose and lipid metabolism of the body. Therefore, the traditional Chinese medicine composition has a good regulation effect on various diseases such as non-alcoholic fatty liver and the like caused by abnormal glucose and lipid metabolism of the organism.

The application discloses a kind of whipped cream cheese for decorating and preparation method thereof, the whipped cream cheese for decorating of the application includes the following weight parts of raw materials: fresh cream cheese 51-55 parts, egg white powder 1.5-7 parts, milk mineral salt 0.3-1 part, oligomeric isomalt 1-5 parts, fructooligosaccharide 1-5 parts, momordica grosvenori sweet 0.005-0.1 part, inulin 0.2-2 parts, arabinoxylan 0.005-1 part, peach gum 0.005-0.1% part, beta-1,3 glucan 0.1-2 parts, tripartite gum 0.1-5 parts, gellan gum 0.01-2 parts, physical starch 1-3 parts, locust bean gum 0.1-1 part.The preparation method of the application is used for preparing the aforementioned cheese, the application reduces 50-80% of the fat content of conventional cream, and contains certain prebiotic nutritional properties, while increasing the rich cheese aroma compared with conventional cream on the market.By specific formula, the decorating performance of cheese is realized, so that decorating product can maintain more than 1 hour without collapse.

The invention belongs to the technical field of food processing, and particularly relates to a preparation method and application of araboxylan-enhanced drawing protein. The arabinoxylan is adopted to enhance the vegetable proteins including the soybean protein concentrate, the chickpea protein and the vital gluten, and after the vegetable proteins are treated by a twin-screw extruder at the temperature of 140-180 DEG C, the texturization performance of the prepared texturized protein is remarkably improved, and meanwhile, the chewiness, the elasticity, the hardness and the like of the texturized protein are improved; the prepared wiredrawing protein is more suitable for replacing meat products such as vegetarian meat, plant-based sausages and hamburger cakes, the requirements of the market for high-texture and high-nutrition plant protein products are met, and innovative development of the plant-based food industry is powerfully promoted.

This document describes compositions containing arabinoxylan (e.g., arabinoxylan compositions), methods for making arabinoxylan compositions, and methods for using arabinoxylan compositions. For example, arabinoxylan compositions provided herein can be used as food ingredients, dietary supplements, and / or pharmaceutical compositions.

The application discloses a wheat arabinoxylan content related molecular marker and application thereof. The application belongs to the technical field of biology, and provides a wheat genome SNP molecular marker and a substance for detecting the molecular marker, which are applied to any one of the following: (1) identifying or assisting in identifying wheat water-soluble arabinoxylan content; (2) wheat breeding; (3) preparing a product for identifying or assisting in identifying wheat water-soluble arabinoxylan content; and (4) preparing a wheat breeding product. The substance for detecting polymorphism and genotype of the above-mentioned SNP can be combined with other substances (such as a substance for detecting single nucleotide polymorphism or genotype of other wheat water-soluble arabinoxylan content related molecular markers) to prepare a product for identifying a wheat variety with wheat water-soluble arabinoxylan content, to perform early and efficient auxiliary screening on WE-AX content, and to improve breeding efficiency.

The invention relates to the technical field of plant genetic breeding, in particular to application of a wheat TaqW-6B gene in regulating and controlling the content of water-soluble araboxylan in grains. Researches find that the wheat TaqW-6B gene can regulate and control the WE-AX content in wheat grains, the TaqW-6B gene is over-expressed in wheat plants, and the WE-AX content in the wheat grains can be remarkably increased; the gene is knocked out of wheat, so that the WE-AX content of wheat grains is remarkably reduced. Therefore, the gene can be used for cultivating new wheat varieties.

The application discloses a kind of high stereoselectivity of alpha-xylopyranoside bond construction method, belongs to the technical field of sugar chemistry.The application uses full benzyl protected xylose trichloroacetimidate as glycosyl donor, by screening catalytic system, donor / acceptor ratio, additive type and molecular sieve type, optimize with trimethyl iodine silane as activating agent, triphenylphosphine oxide as additive high alpha-stereoselectivity glycosylation method.The method is mild in reaction condition, easy to operate, realizes the high stereoselectivity construction of 1,2-cis xylopyranoside bond without the action of participating group.Moreover, the method can be suitable for a variety of xylose donors with different protecting groups and a variety of glycosyl acceptors, to provide an effective means for efficient construction of a variety of alpha-xyloside and arabinoxylan modified by arabian mycin.

The invention provides a method for efficiently preparing low molecular weight dietary fiber-arabinoxylan. The method comprises the following steps: carrying out ammonia fiber expansion pretreatment, hydrolyzing ammonia fiber expanded corn bran by using bixylanase, carrying out suction filtration, collecting supernatant, and carrying out vacuum drying on the obtained supernatant to obtain solid powder, namely the low-molecular-weight araboxylan. Ammonia fiber expansion and enzymolysis are combined to form a synergistic effect, and compared with conventional water extraction, the yield is increased by 7.7 times. The molecular weight of the obtained arabinoxylanase is reduced to 4.9% compared with that of alkali-extracted arabinoxylan, and the arabinoxylanase has high oxidation resistance.

The present application belongs to the technical field of food processing, and particularly relates to a kind of composite plant protein meat pie and a preparation method thereof. The present application uses arabinoxylan and composite plant protein containing soybean protein concentrate, chickpea protein and gluten as raw materials to produce texturized protein by double screw extruder, and adds carrageenan as a binder, and then is compounded with soybean protein isolate, gluten, water, oil, flavoring agent and other ingredients to produce a kind of composite plant protein meat pie. The meat pie can have a chewing texture close to animal meat pie after being fried at a suitable temperature and time, and at the same time has the ideal flavor and color of simulating real meat pie, which is conducive to better meeting the needs of consumers for plant protein meat products.

The invention relates to the technical field of capsule preparations, in particular to a medicinal capsule structure, which comprises a mother capsule and a sub-capsule filled in the mother capsule, and two working modes are realized through filling switching of the mother capsule: under the mode A (time sequence release), the mother capsule is filled with a quick-release medicine and the sub-capsule filled with a slow-release medicine at the same time, and under the mode B (time sequence release), the sub-capsule is filled with a slow-release medicine; multi-component off-peak release is realized by utilizing the quick release characteristic of the mother capsule and the slow release characteristic of the ascomycetes; and in the mode B (split swallowing), the mother capsule is only filled with the ascoid to adapt to people with dysphagia, and the ascoid can be taken in a mixed manner after the mother capsule is split, and the function of a medicine coating is reserved. The ascus is composed of a medicine containing cavity, a targeting layer and an anchoring layer, the targeting layer can be made of an arabinoxylan-chitosan compound (colon targeting) or a methacrylic acid copolymer (esophageal targeting), the anchoring layer is made of a hyaluronic acid-chitosan compound, and it is ensured that the ascus is anchored at the focus position. The preparation has multiple functions of sequential release, targeted drug delivery, adaptation to people with dysphagia and the like.

The invention pertains to a fiber mixture comprising arabinoxylan, beta-glucan, pectin, and resistant starch, nutritional compositions comprising the fiber mixture and uses thereof. The fiber mixture comprising is beneficially used in improving intestinal health and / or preventing impaired intestinal health.

The invention provides a sea-land composite dietary fiber composition and application thereof in regulation and control of intestinal flora. The composition is prepared by mixing araboxylan and fucoidin according to a mass ratio of 1: 1. The composition is formed by mixing arabinoxylan from land plants and fucoidin from marine plants according to the mass ratio of 1: 1, the composition is proved to have remarkable nitrite adsorption capacity, growth of pathogenic bacteria is effectively inhibited in the nitrite-containing environment, meanwhile, proliferation of beneficial bacteria is promoted, and the nitrite adsorption capacity is improved. Therefore, the composition can be applied to development of prebiotic supplements and intestinal micro-ecological regulation products.

The invention belongs to the technical field of medicines, and relates to a wrinkle-removing, freckle-removing and anti-aging composition, in particular to an enteric microcapsule which comprises a capsule core oil phase and a capsule skin covering the surface of the capsule core oil phase, and the capsule core oil phase comprises ellagic acid and rhus chinensis fruit oil; the capsule skin is prepared from arabinoxylan, hydroxypropyl methyl cellulose, sodium alginate, lactitol and polyethylene glycol. The anti-wrinkle, anti-freckle and anti-aging composition has the advantages that the ellagic acid is small in side effect and high in bioavailability, the ellagic acid and the rhus chinensis fruit oil have a synergistic effect, and the anti-wrinkle, anti-freckle and anti-aging effects are good.

The present document provides arabinoxylan-containing compositions, methods for preparing arabinoxylan-containing compositions, and methods for using arabinoxylan-containing compositions as, for example, a food ingredient, a dietary supplement ingredient, or a pharmaceutical ingredient. In particular, this document discloses the use of lignocellulosic biomass to provide the disclosed product using water at temperature and pressure.

The present disclosure related generally to a method of providing an arabinoxylan product from a corn material such as a corn fiber. The method includes de-starching the corn material to provide a de-starched corn material; maintaining an aqueous mixture of the destarched corn material at an extraction pH in the range of 5-14 for a time and at a temperature effective to extract arabinoxylan from the de-starched corn material into an aqueous phase of the aqueous mixture and to provide a corn residue; separating the aqueous phase containing the extracted arabinoxylan from the corn residue; and providing the arabinoxylan product from the aqueous phase.

The invention provides arabinoxylan-bifidobacterium longum synbiotics and application of the arabinoxylan-bifidobacterium longum synbiotics in regulation of arachidic acid metabolism, and belongs to the technical field of microbial preparations. The preparation method of the arabinoxylan-bifidobacterium longum synbiotics comprises the following steps: mixing prefermented bifidobacterium longum and arabinoxylan, adding a mixed solution of sodium alginate and chitosan for embedding, and freeze-drying to obtain the arabinoxylan-bifidobacterium longum synbiotics. According to the invention, bifidobacterium longum is taken as probiotics, araboxylan is taken as prebiotics, sodium alginate-chitosan nanoparticles are taken as an embedding carrier, and a nano embedding technology is adopted, so that the gastrointestinal tract tolerance of the synbiotics is remarkably improved, and the bioavailability of the synbiotics is enhanced; compared with the single use of prebiotics or probiotics, the synbiotics have a better effect of regulating SCFAs and arachidonic acid metabolism, can influence inflammatory factors through intestinal flora-SCFAs-arachidonic acid metabolic axis, and have a wide application prospect on chronic inflammation related diseases.

The application discloses a SNP molecular marker for identifying the content of wheat arabinoxylan and application thereof. The application belongs to the technical field of biology and specifically comprises detecting the polymorphism or genotype (allele) of an SNP site in a wheat genome to be measured, and identifying or assisting in identifying the content of wheat arabinoxylan according to the genotype, wherein the SNP site is a site on a 4D chromosome of wheat, the nucleotide type of which is A or G, and the 36th nucleotide in sequence 1 in a sequence table. The application can be used for predicting the content of wheat arabinoxylan and for wheat breeding. The substance for detecting the polymorphism and genotype of the above SNP site can be combined with other substances (such as a substance for detecting a single nucleotide polymorphism or genotype of another molecular marker related to the content of wheat arabinoxylan) to prepare a product for identifying wheat arabinoxylan with high content.

The invention discloses a high-moisture wheat starch-based gel food and a preparation method thereof, and relates to the field of food processing, the preparation method comprises the following steps: S1, mixing wheat flour with water to form a dough, fermenting, kneading and washing, and separating out wheat starch; s2, separating starch A and starch B from the wheat starch for later use; s3, monosubstituted or disubstituted side chain residues at the C3 position of the water-soluble arabinoxylan are specifically cut off with arabinofuranosidase, and modified water-soluble arabinoxylan is obtained; s4, mixing the modified water-soluble araboxylan, starch A, starch B and water, and uniformly stirring to obtain starch slurry; and S5, transferring the starch slurry prepared in the step S4 into a mold for steaming, and cooling with cold water to obtain the gel food. The aging process of the high-moisture starch-based food can be delayed, the water binding capacity of the high-moisture starch-based food is improved, the high-moisture starch-based food with a healthy property and excellent storage stability is developed, and the transportation adaptability of the product is greatly improved.

A supramolecular hydrogel film for reversible adhesion of frozen food, a production method, and an application are provided. The production method includes mixing the arabinoxylan solution with 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and N-hydroxysuccinimide, and performing an ice bath reaction to obtain the carboxylated arabinoxylan solution; adding dopamine hydrochloride, performing a stirring, dialysis and freeze-drying to obtain the arabinoxylan-dopamine graft; adding acrylic acid and metal ions to the ethanol aqueous solution, mixing with the arabinoxylan-dopamine graft, and performing a stirring, and then mixing with N,N′-methylenebisacrylamide and ammonium persulfate to obtain the supramolecular hydrogel film. The supramolecular hydrogel film has the characteristics of light-controlled reversible adhesion, high mechanical strength, high gas barrier properties and degradability, and is suitable for various frozen foods.

The application belongs to the technical field of food processing, and particularly relates to a processing method of wheat B starch-based instant vegetarian sausage. The processing method comprises the following raw materials in parts by weight: 80-90 parts of homogenate, 6-8 parts of glue solution, 8-10 parts of salt, 8-10 parts of coconut oil, 4-6 parts of monosodium glutamate, 4-6 parts of red yeast powder, and 2-4 parts of tripolyphosphate; the preparation method of the instant vegetarian sausage comprises the following steps: preparing homogenate, preparing glue solution, modulating, sausage filling, and steaming and cooking. The application adds wheat B starch slurry and compounding specific proportions of composite colloids, utilizes the synergistic water holding effect of arabinoxylan and colloids, and gives the vegetarian sausage excellent elastic and tough mouthfeel and juiciness. The application converts low-value wheat B starch slurry into raw materials of instant vegetarian sausage, completely retains the arabinoxylan dietary fiber therein, makes the product have both nutritional function and industrial value, and significantly improves the added value of by-products.

In a method of preparing a liquid oat base a material comprising oat bran is suspended in an aqueous media and contacted with α-amylase, β-amylase, β-glucanase, and xylanase to raise the concentration of soluble arabinoxylan by a factor of 5 or more. Also disclosed is a liquid oat base obtainable by the method; a powderous oat base obtained by drying the liquid oat base; uses of the liquid and powderous oat bases and food products comprising them. A powderous composition for use in preparing liquid oat base comprises oat bran, α-amylase, β-amylase, β-glucanase, and xylanase.

The invention provides a method for enhancing oxidation resistance of alkali extracted arabinoxylan and feruloyl xylan, and belongs to the technical field of biochemical engineering and feed science. The method comprises the following steps: providing plant source arabinoxylan which is extracted by an alkaline method and has reduced ferulic acid content as a reaction substrate; in a free radical initiation system containing an oxidizing agent and a reducing agent, the arabinoxylan and free ferulic acid are subjected to a free radical mediated grafting reaction, so that ferulic acid is covalently connected to the arabinoxylan, and the feruloyl xylan is obtained. The invention also provides the feruloyl xylan prepared by the method and application of the feruloyl xylan in preparation of functional feed additives. Ferulic acid is re-grafted to a xylan skeleton with functions damaged due to alkali extraction, the antioxidant activity of the xylan skeleton can be effectively repaired and remarkably enhanced, the reaction condition is mild, the raw material adaptability is wide, and the prepared product can be used as an efficient antioxidant to be applied to the field of feed additives.

This invention discloses a method for the targeted biotransformation of cereal arabinoxylan based on in vitro fecal microbial fermentation and its extraction. The method includes: pulverizing and sieving cereal raw materials; extracting arabinoxylan from the cereal; using the extracted cereal arabinoxylan as a fermentation substrate and inoculating it into a fecal microbial fermentation system for anaerobic fermentation, utilizing intestinal microorganisms to target and degrade the arabinoxylan; terminating the anaerobic fermentation reaction; separating the fermentation broth into solid and liquid phases to obtain a supernatant containing the transformed product; purifying and drying the supernatant to obtain the final product. The product obtained by this invention is not only a highly active prebiotic, but it or the fermentation broth can also serve as a high-quality synbiotic (combined with probiotics) or postbiotic raw material, greatly expanding its application potential in functional foods, special medical foods, and health products.

The invention provides a pet anti-aging additive based on compound functional components and a preparation method thereof, and relates to the technical field of pet foods.The additive takes arabinoxylan, micrococcus oil and nano traditional Chinese medicine extracts as matrixes to construct a multi-dimensional anti-inflammatory barrier system, and the multi-dimensional anti-inflammatory barrier system is prepared into the pet anti-aging additive based on the compound functional components. The proanthocyanidins and the micrococcus oil are adopted to form a neuroprotection synergistic interaction system, and meanwhile, a microencapsulation process is combined, so that the bioavailability is improved, and a multi-dimensional anti-aging mechanism of resisting oxidation, regulating and controlling senescence-related markers and resisting inflammation is realized; in-vitro experiments show that the additive can effectively inhibit the expression of SA-beta-gal in canine fibroblasts, and can reduce the MDA content and relieve oxidative damage by improving the activity of SOD and GSH-Px; in-vivo experiments show that the additive can effectively reduce the CCDR score of a test dog, obviously improve the cognitive function of the test dog, improve the NAD + level of plasma, reduce the levels of TNF-alpha, IL-1beta and IL-6 in joint synovial fluid and exert the anti-aging effect, and a safe and efficient new scheme is provided for delaying pet aging.

The present application relates to the technical field of feed additive, and particularly discloses a slow-release feed additive composition and a preparation method thereof.The slow-release feed additive composition comprises the following raw materials: modified yeast cell wall, retrograded starch, functionalized arabinoxylan and composite trace elements; the preparation method comprises the following steps: preparing a pre-dispersion of the composite trace elements, mixing the pre-dispersion with the modified yeast cell wall, obtaining a trace element loading solution after maturation, adding the retrograded starch to obtain a base material, and finally mixing the base material with the functionalized arabinoxylan, and obtaining the slow-release feed additive composition through maturation, granulation and drying.The present application constructs a composite slow-release system by using the modified yeast cell wall, the retrograded starch and the functionalized arabinoxylan, so that the slow-release feed additive composition has good trace element loading capacity and slow-release performance, and the utilization rate of trace elements is improved.

This invention relates to a method for improving the intestinal tolerance of wheat bran dietary fiber based on synergistic modification by microorganisms and enzymes. The method includes ultra-fine grinding and high-pressure moist heat activation of wheat bran; multi-enzyme synergistic microbial stepwise treatment, first using high-temperature amylase and neutral protease to remove interfering components such as starch and protein, then using laccase to degrade lignin, resulting in a looser structure; subsequently, phytase efficiently degrades phytic acid, Aspergillus nidulan degrades the side chains of arabinogalactan, and snail enzyme and ferulic acid esterase work synergistically to convert insoluble arabinoxylan into soluble dietary fiber and release phenolic antioxidants. This method increases the soluble dietary fiber content of wheat bran by 2 times, reduces phytic acid to 10 mg / g, increases free phenolic acid content by 40%, achieves a DPPH free radical scavenging rate of 60%, significantly enhances antioxidant activity, and significantly reduces IgG levels in mouse models compared to those consuming unmodified wheat bran, thus improving intestinal tolerance and probiotic function; the product can be used as a high-quality functional food ingredient.